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Microbiology

Image: This infographic illustrates the connection between the brain, central nervous system and other organs and how they interact with a person\'s gut microbes to show different patterns from people with high blood pressure plus depression; high blood pressure without depression; depression with healthy blood pressure; or healthy subjects without depression or high blood pressure (Photo courtesy of Professor Bruce R. Stevens, PhD).

Gut Bacteria Linked to High Blood Pressure and Depression

The microbiome is the genetic material of all the microbes, bacteria, fungi, protozoa and viruses that live on and inside the human body. The number of genes in all the microbes in one person's microbiome is 200 times the number of genes in the human genome. More...
17 Sep 2019
Image: Zika virus particles (red) shown in African green monkey kidney cells (Photo courtesy of the [U.S.] National Institute of Allergy and Infectious Diseases).

Zika Virus Test Kit Receives American Marketing Approval

A blood test designed to confirm diagnosis of Zika virus infection has been granted 510(k) marketing approval that allows it to be sold in the United States. More...
16 Sep 2019
Image: The RIDAQUICK Norovirus test is a quick qualitative immunochromatographic test for determining genogroup 1 (GG I) and genogroup 2 (GG II) noroviruses in stool samples (Photo courtesy of R-Biopharm AG).

Human Intestinal Enteroids Used to Detect Norovirus Infectivity

Human norovirus accounts for 18% of acute gastroenteritis cases worldwide. Molecular nucleic acid tests, such as real-time reverse transcription polymerase chain reaction (rRT-PCR), are widely used for laboratory diagnosis of norovirus RNA in clinical samples. More...
12 Sep 2019
Image: A photomicrograph showing Trypanosoma brucei gambiense in a blood film. This parasitic protozoan species causes African trypanosomiasis (or sleeping sickness) in humans via the tsetse fly (Photo courtesy Alain G.C. Buguet).

Detergent-Enhanced LAMP Detects African Trypanosome in CSF

Human African trypanosomiasis is a fatal disease, if untreated, spread by bloodsucking tsetse flies. These protozoan parasites first enter the lymph and blood to invade many organ systems, the early stage sleeping sickness. More...
12 Sep 2019
Image: Drumstick-shaped Clostridioides difficile bacilli as they appear in scanning electron microscopy (Photo courtesy of Kateryna Kon, PhD).

Fungus-Associated Bacteriome Associated with C. difficile Infection

Clostridioides difficile infection (CDI), the most common etiology of nosocomial infectious diarrhea, is caused by an intestinal dysbiosis that is virtually always attributable to antibiotics. This causes one of the most common hospital-acquired infections in the USA. More...
11 Sep 2019
Image: A photomicrograph of an immunofluorescence assay (IFA) for Rickettsia (Photo courtesy of Fuller Laboratories).

Immunoassays Compared for Diagnosis of Acute Murine Typhus Infections

Murine typhus is a disease transmitted by fleas and is caused by intracellular gram-negative bacteria called Rickettsia typhi, and manifested clinically with acute fever, chills, muscle pain, nausea, vomiting, stomach pain, cough and rash. More...
10 Sep 2019
Image: A micrograph showing a mycosis (aspergillosis). The Aspergillus (which is spaghetti-like) is seen in the center and surrounded by inflammatory cells and necrotic debris (Photo courtesy of Wikimedia Commons).

New Official Guideline Summarizes Advances in Fungal Infections Diagnosis

An official clinical guideline on laboratory diagnosis of fungal infections in pulmonary and critical care medicine was released in a recent publication. More...
09 Sep 2019


The LabMedica Microbiology channel provides the latest news in the fields of epidemiology, bacteriology, virology, and parasitology, all viewed from the unique perspective of Laboratory Medicine.
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